Positive and negative ZnO micropatterning on functionalized polymer surfaces

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Peng YangWantai Yang

Abstract

Patterned ZnO deposition on substrates has received increasing attention because of its great potential in photocatalysis, energy conversion, and electro-optical techniques. Chemical solution growth is especially promising for organic substrates due to its very mild reaction conditions. Here this method is used on functionality-patterned polymer surfaces in order to fabricate positive and negative ZnO micropatterns. A ZnO film made of arrayed rods, typically 500-750 nm in diameter and 2.5 microm in length, is selectively obtained on sulfated and hydroxylated regions of biaxially oriented poly(propylene), giving rise to positive patterns. For reactive polyesters such as poly(ethylene terephthalate), the ZnO rods selectively remain on the unmodified original regions, creating negative patterns. Unlike complex photolithography procedures, the irradiation and patterning processes do not require the use of positive or negative photoresists, and possible damage from acidic solutions on the underlying substrate during the chemical etching process is avoided. The process thus proves to be a simple, creditable, and low-cost method, which could be easily applied on a variety of inert and reactive polymer surfaces.

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Feb 7, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·Hongchi ZhaoWantai Yang

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Citations

Feb 26, 2014·ACS Applied Materials & Interfaces·Peng Yang, Wantai Yang
Mar 1, 2017·Beilstein Journal of Nanotechnology·Nina J BlumensteinJoachim Bill
Jan 27, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Wonyoung LeeFritz B Prinz

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